Full TGIF Record # 228468
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Author(s):Vollmer, J. L.; Bingham, S. W.
Author Affiliation:Department of Plant Pathology, Physiology and Weed Science, Virginia Polytechnic Institute and State University, Blacksburg, VA
Title:Control of wild garlic and wild onion in turf
Section:Weed control in turf, pasture, and rangeland
Other records with the "Weed control in turf, pasture, and rangeland" Section
Meeting Info.:Nashville, Tennessee: January 16-18, 1989
Source:Proceedings: Southern Weed Science Society. Vol. 42, 1989, p. 147.
Publishing Information:Champaign, Illinois: Southern Weed Science Society
# of Pages:1
Abstract/Contents:"The objective of this research was to investigate the efficacy of several herbicides on the control of wild onion and wild garlic in low maintenance turf. In addition, fall verses spring applied herbicides were evaluated comparatively for wild onion control. Tests were conducted in Danville, VA. The wild onion study was located on a golf course rough with an Appling sandy loam soil, 2.5% O.M. and a pH of 5. The wild garlic study was located along highway right-of-way on sandy loam soil with, 1.4% O.M. and a pH of 4. Fall treatments were applied on October 22, 1987 for the wild onion study. Spring treatments were applied April 14, 1988 for both the wild onion and wild garlic study. All herbicides were applied with a CO2 backpack sprayer in 280 L ha-1 water with .25% v/v non-ionic study was arranged in a split-plot design with herbicides as main plots and fall verses spring applications as subplots. The wild garlic study was arranged in a randomized complete block design. Both studies consisted of three replications. A split-plot analysis of variance showed a significant interaction between season of application and herbicide treatment. Imazaquin at 0.4 kg ha-1 alone and in combination with difenzoquat at 1.6 and 2.2 kg ha-1 achieved significantly higher wild onion control in fall as compared to spring. However, 2,4-D at 1.1 kg ha-1 afforded significantly greater wild onion control in spring compared to no control in fall. No matter what the season of application, the best wild onion control was achieved with imazethapyr at 0.3 and 0.4 kg ha-1. difenzoquat afforded essentially no control of wild onion. Imazethapyr and combinations of 2,4-D plus dichlorprop plus dicamba, 2,4-D plus triclopyr, and 2,4-D plus dicamba afforded excellent wild garlic control of 98, 97, 90 and 99%, respectively, in the fall. Although wild garlic flowering was controlled with DPX-M6316, the number of remaining plants was unacceptable in turf. Wild garlic control with EH-937 and EG-946 was poor and did not differ from the nontreated check. Imazaquin afforded good initial wild garlic control, however, by fall control had dropped to 53 and 63%, respectively, for the 0.3 and 0.4 kg ha-1 rates. The high rate of imazethapyr, 0.3 kg ha-1, resulted in initial turf injury. All rates of imazethapyr and imazaquin resulted in the added effect of good to excellent tall fescue seedhead suppression and yellow foxtail control."
Language:English
References:0
Note:"Finding a common ground"
This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Vollmer, J. L., and S. W. Bingham. 1989. Control of wild garlic and wild onion in turf. South. Weed Sci. Soc. Proc. 42:p. 147.
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